Home / 2,669.37-3,683.12-1,621.23

Finding the Fourth Proportional to 2,669.37, 3,683.12 and 1,621.23

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Solution

The fourth proportional to 2,669.37, 3,683.12 and 1,621.23 is: 2,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.37 : 3,683.12 = 1,621.23 : x
  2. Step 2: Convert to fraction form
    2,669.37/3,683.12 = 1,621.23/x
  3. Step 3: Cross multiply
    2,669.37x = 3,683.12 × 1,621.23
  4. Step 4: Simplify right side
    2,669.37x = 5,971,176.53
  5. Step 5: Solve for x
    x = 5,971,176.53/2,669.37
  6. Step 6: Final answer
    x = 2,236.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.